Choosing the best emulsifier for your formulation can be a challenging task. There are a variety of options, creating a variety of emulsion types – all offering different benefits to formulators and the consumer – but all basically endeavouring to create a stable mixture of 2 or more immiscible liquids. The ability to provide stability is the basic role of an emulsifier.
In addition to ensuring the stability of an emulsion, emulsifiers influence the texture, skin feel and applications properties. So being well-informed on your options and what effects these will deliver is key.
An emulsion is a mixture of two of more immiscible liquids consisting of two phases – a continuous (or external) phase and a dispersed (or internal) phase. These then form various types of emulsions, the most common being oil-in-water (o/w) or water-in-oil (w/o).
When you’re faced with the task of making an emulsion, you have a choice of lots of emulsifying agents and need to select one or two that will satisfactorily emulsify your chosen ingredients. The HLB System offers a systematic approach to save time in non-ionic surfactant selection. It helps to assign a HLB value to the surfactant and a HLB requirement for the application – the proper match allowing for quick and easy formulation development.
Consumer demand for a pleasurable sensory experience extends to everything we touch, including our cosmetic emulsions. In personal care, the feel of a product provides important clues to consumers about the product’s function and purpose.
Sensification™ - the science behind sensory innovation™ is an easy-to-use system that allows formulators and marketers to navigate the complex landscape of sensory descriptors in a clear and defined way. With the emulsifier driving the majority of the initial feel of an emulsion, understanding the impact emulsifiers have is important. This understanding of the drivers behind emulsion aesthetics helps you engineer a complete sensory experience that supports your overall product positioning.
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